On closer inspection, you’ll see the couple’s bodies seem to form an almost perfect heart shape.

Notice their bodies make the top of the heart, with their arms rounding off to bring the heart to a point?

All together now, 'aww'!

Getty Images

After the picture went viral, Mok explained on Twitter that he took the photo as he was ‘positioned on the roof of George IV Gateway of Windsor Castle’ and the carriage procession passed directly beneath him.

‘I had less than a one-second window to take that particular shot — whilst having to focus through a metal grill I was standing over — so was happy to get anything really!’ Mok wrote.

Purely coincidental. I had less than a one-second window to take that particular shot - whilst having to focus through a metal grill I was standing over - so was happy to get anything really!